troubleshoot email server

Symptom description:Email server A and email server B are set at the front-end. After the front-end receives the email, it is delivered to the mailbox in the backend server. After receiving the external email, the front-end cannot deliver the email

Email server fault symptom description: Email server A and email server B are set at the front-end. After the front-end receives the email, it is delivered to the mailbox in the backend server. After receiving the external email, the front-end

Discuzx2.5 the background email setting method is basically the same as X2/x1.5, but many people do not pay attention to some details. for example, if there is more space for copying, the server has enabled the firewall, the mailbox system cannot be

Start Apache encountered error: Httpd:could not reliably determine the server ' s fully qualified domain name[[email protected] httpd-2.2.4]#/usr/local/apache/bin/apachectl startHttpd:could not reliably determine the server ' s fully qualified

Many of you encountered the problem that Discuzx3.0 could not be sent, and the background mailbox sent a detection prompt: an error message was returned. Now I will share with you how to troubleshoot configuration errors in QQ Enterprise mailbox, QQ

Troubleshoot excessive number of TCP connectionsTCP state Migration, Close_wait & Fin_wait2 IssuesTCP State MigrationEveryone to netstat-a command very familiar, but, you have not noticed the state of a column, basically shows the

today, I installed MySQL on the server in the lab and found that the remote computer couldn't connect to the MySQL server. The server operating system is Ubuntu 14.04. So on the Internet to check some information, toss a half-day after finally fix,

Enable the PHP mail () function in Ubuntu and troubleshoot sending mail slow issues, Ubuntu send mail If you need to use the PHP mail () function to send mail, it is necessary for the server to install the SendMail component to support, this is in

First of all, the environment: Ubuntu 14.04, installed in a apt-get way, manual installation may have a slightly different path setting.1, after the installation of MySQL, the first time with the command line to find the Mysqld.sock file is not

This article and we share the main is to use the Python language to solve cx_oracle query unicodedecodeerror problem method steps, come together to see it, We hope to help you. recently, in the project , to the 1 Records of the table of more than